More work on rejoin: The server now detects when a rejoin is possible and allows the player to login directly, without waiting for a possible existing connection to be terminated. A session GUID is stored in the cache directory on client side for this purpose.

src/net/clientthread.h

@@ -206,6 +206,9 @@ protected:
 
 	bool IsSynchronized() const;
 
+	void ReadSessionGuidFromFile();
+	void WriteSessionGuidToFile() const;
+
 private:
 
 	boost::shared_ptr<boost::asio::io_service> m_ioService;